[059-50] A Microorganism Found in the Latex of Euphorbia marginata Pursh. (Euphorbiaceae)
Troll, Ralph A Microorganism Found in the Latex of Euphorbia marginata Pursh. (Euphorbiaceae) 059-50-print
[061-10] An Amoeba Isolated from the Latex of Euphorbia marginata Pursh. (Euphorbiacea)
Troll, Ralph An Amoeba Isolated from the Latex of Euphorbia marginata Pursh. (Euphorbiacea) 061-10-print
[068-27] Myxomycetes of Blackhawk State Park, Rock Island, Illinois
Troll, Ralph Myxomycetes of Blackhawk State Park, Rock Island, Illinois 068-27-print
[080-37] The Endozoic Dispersal of Myxomycete Spores by Onicus asellus L. (Crustacea)
Ralph Troll The Endozoic Dispersal of Myxomycete Spores by Onicus asellus L. (Crustacea) 080-37-print
[083-21] Location of Tunnels on Goldenrod Ball Galls Made by Downy Woodpeckers, Picoides pubescens
Ralph Troll Location of Tunnels on Goldenrod Ball Galls Made by Downy Woodpeckers, Picoides pubescens 083-21-print
[083-20] The Emergence of a Specimen of Psychomorpha epimenis Drury (Lepidoptera) from a Goldenrod Ball Gall
Ralph Troll The Emergence of a Specimen of Psychomorpha epimenis Drury (Lepidoptera) from a Goldenrod Ball Gall 083-20-print